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1·The analysis of microstructure and XRD indicates that the bead welding is of good densification and has high combination strength.

通过显微组织、X射线衍射分析表明，所得堆焊层组织致密、结合强度高。

2·The application of abrasion resistant bead welding in bucket teeth of excavator, shovel bucket of excavator and bucket teeth of loader was presented.

介绍耐磨堆焊在挖掘机斗齿、挖土机挖斗、装载机斗齿上的应用。

3·The results showed that the backside melting width can be predicted by the network model during P-GMAW bead welding the thin plate when the welding parameters were input variable.

结果表明，在P - GMAW薄板堆焊中，以焊接规范为输入变量，利用该网络模型能很好的预测背面熔宽。

4·Localized heating from the welding process and subsequent rapid cooling induces welding shrinkage stresses along weld bead during welding thin-wall plate and causes structural buckling distortions.

在薄板焊接中，由于局部加热和迅速冷却产生了沿焊缝方向的焊接收缩应力，而导致焊接薄板发生屈曲变形。

5·The lapping amount of bead is critical not only for the trouble-free operation of three-dimensional welding, but also for the forming accuracy.

焊道搭接量对保证三维堆焊成形过程的顺利进行以及成形件的精度都有较为重要的影响。

6·Utilizing the transformation of bead metal can reduce tensile stress directly in the course of welding, even produces compressive stress, to improve the service life of welding structure effectively.

利用焊缝金属组织转变的方法可以在焊接过程中直接降低焊接残余拉伸应力，甚至产生残余压缩应力，有效地提高焊接结构的使用寿命。

7·The fatigue life of the surface cracks of the weld toe and the central part of the welding bead are calculated.

又算出了这五种形状角焊缝趾端部和焊肉中央处的表面裂纹疲劳断裂的寿命。

8·A method in which a data base and regression will be employed has been studied for predicting weld bead shape and selecting optimum welding parameters in arc welding processes.

本文研究了一种使用数据库及回归分析技术在电弧焊中预测焊道形状及选择最佳焊接参数的方法。

9·All these and other developments show that welding is no longer what it was in time past, the simple matter of running a bead with a gas flame or a stick electrode.

所有这些和其他的新技术都显示焊接不再是过去那样，只用气体火焰或一根焊条焊一道焊缝的简单问题了。

10·Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.

利用焊接时的加热使水汽化，不仅使焊道而且使热影响区的冷却速度减慢。

堆焊

1·The application of abrasion resistant bead welding in bucket teeth of excavator, shovel bucket of excavator and bucket teeth of loader was presented.

介绍耐磨堆焊在挖掘机斗齿、挖土机挖斗、装载机斗齿上的应用。